ABSTRACT The impact of environmental degradation and the energy crisis, countries are vigorously developing renewable power generation technology. Among renewable energy sources, wind energy is a clean, convenient, and easy to access, which have become the priority nowadays. The doubly-fed induction generators (DFIG) are widely used in modern wind power plants because of their robustness in variable speed and frequency conversion. The transient characteristics of this kind of generator at fault are always the focus of research. In this paper, the disturbance at machine-side converter (MSC) and grid-side converter (GSC) in the case of symmetrical short-circuit fault is studied. The value of transient time, maximum current, steady-state, and voltage drop at the GSC and MSC of DFIG is attenuated during symmetrical disorder. The simulation results show the robustness during the three-phase short-circuit disorder. The change of short-circuit parameters in the MSC and the GSC deliver reliable system’s fault results and parameter robustness differences of selected parameters. The short-circuit parameter calculation shows 14%, 44%, 75% and 15% at the grid-side controller’s outcomes, respectively. The analysis and simulation results help to understand and improve the performance of controllers to gain the present and future wind energy-efficient conversion systems (WECS).

中文翻译：

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对称短路故障对双馈感应发电机控制器的影响

摘要 受环境恶化和能源危机的影响，各国都在大力发展可再生能源发电技术。在可再生能源中，风能是一种清洁、方便、易获取的能源，已成为当今的重点。双馈感应发电机 (DFIG) 因其在变速和变频方面的稳健性而广泛应用于现代风力发电厂。这类发电机故障的暂态特性一直是研究的重点。本文研究了对称短路故障情况下机侧变流器(MSC)和网侧变流器(GSC)的扰动。在对称无序期间，DFIG 的 GSC 和 MSC 处的瞬态时间、最大电流、稳态和电压降的值会衰减。仿真结果显示了三相短路故障期间的鲁棒性。MSC和GSC中短路参数的变化提供了可靠的系统故障结果和所选参数的参数鲁棒性差异。短路参数计算结果分别为14%、44%、75%和15%的电网侧控制器结果。分析和仿真结果有助于理解和改进控制器的性能，以获得当前和未来的风能高效转换系统 (WECS)。电网侧控制器的结果分别为 75% 和 15%。分析和仿真结果有助于理解和改进控制器的性能，以获得当前和未来的风能高效转换系统 (WECS)。电网侧控制器的结果分别为 75% 和 15%。分析和仿真结果有助于理解和改进控制器的性能，以获得当前和未来的风能高效转换系统 (WECS)。